% IMPORTANT: The following is UTF-8 encoded. This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.
@INPROCEEDINGS{Mehmood:172149,
author = {Mehmood, Khalid and Berns, Anne E. and Pütz, Thomas and
Burauel, Peter and Vereecken, Harry and Zoriy, Myroslav and
Flucht, Reinhold and Opitz, Thorsten and Hofmann, Diana},
title = {{S}oil-plant transfer of {C}s-137 and {S}r-90 in digestate
amended agricultural soils- a lysimeter scale experiment.},
school = {Rheinische Friedrich-Wilhelms-Universität Bonn},
reportid = {FZJ-2014-05660},
year = {2014},
abstract = {Radiocesium and radiostrontium are among the most
problematic soil contaminants following nuclear fallout due
to their long half-lives and high fission yields. Their
chemical resemblance to potassium, ammonium and calcium
facilitates their plant uptake and thus enhances their
chance to reach humans through the food-chain dramatically.
The plant uptake of both radionuclides is affected by the
type of soil, the amount of organic matter and the
concentration of competitive ions. In the present lysimeter
scale experiment, soil-plant transfer of Cs-137 and Sr-90
was investigated in an agricultural silty soil amended with
digestate, a residue from a biogas plant. The liquid
fraction of the digestate, liquor, was used to have higher
nutrient competition. Digestate application was done in
accordance with the field practice with an application rate
of 34 Mg/ha and mixing it in top 5cm soil, yielding a final
concentration of 38 g digestate/Kg soil. The top 5 cm soil
of the non-amended reference soil was also submitted to the
same mixing procedure to account for the physical
disturbance of the top soil layer. Six months after the
amendment of the soil, the soil contamination was done with
water-soluble chloride salts of both radionuclides,
resulting in a contamination density of 66 MBq/m2 for Cs-137
and 18 MBq/m2 for Sr-90 in separate experiments. Our results
show that digestate application led to a detectable
difference in soil-plant transfer of the investigated
radionuclides, effect was more pronounced for Cs-137. A
clear difference was observed in plant uptake of different
plants. Pest plants displayed higher uptake of both
radionuclides compared to wheat. Furthermore, lower activity
values were recorded in ears compared to stems for both
radionuclides.},
month = {Apr},
date = {2014-04-27},
organization = {EGU General Assembly, Vienna
(Austria), 27 Apr 2014 - 2 May 2014},
subtyp = {Other},
cin = {IBG-3},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {245 - Chemicals in the Environment (POF2-245) / 255 -
Terrestrial Systems: From Observation to Prediction
(POF3-255)},
pid = {G:(DE-HGF)POF2-245 / G:(DE-HGF)POF3-255},
typ = {PUB:(DE-HGF)24},
url = {https://juser.fz-juelich.de/record/172149},
}